AlarmService.kt

package com.isscroberto.powernap.util

import android.app.Service
import android.content.Context
import android.content.Intent
import android.media.Ringtone
import android.media.RingtoneManager
import android.os.IBinder

class AlarmService : Service() {

    private lateinit var ringtone: Ringtone

    override fun onBind(p0: Intent?): IBinder? {
        return null
    }

    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
        playAlarm()

        return super.onStartCommand(intent, flags, startId)
    }

    override fun onDestroy() {
        super.onDestroy()

        ringtone.stop()
    }

    fun playAlarm() {
        val notification = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_ALARM)
        ringtone = RingtoneManager.getRingtone(this, notification)
        if(!ringtone.isPlaying()) {
            ringtone.play()
        }
    }

}